Combine each pair of sentences below, using the conjunction given in parentheses.
1. He is very rich. He isn't happy. (Although)
2. He is very rich. He isn't happy. (No matter)
3. She can't answer my question. She is very intelligent. (Although)
4. She can't answer my question. She is very intelligent. (No matter)
5. He does anything. He is always careful. (Whatever)
6. He does anything. He always tries his best. (No matter)
7. She says anything. I don't believe her. (Whatever)
8. She says anything. I don't believe her. (No matter)
9. He tried. He was not successful. (No matter)
10. He tried. He was not successful. (Although)
11. His life is hard. He is determined to study well. (Although)
12. His life is hard. He is determined to study well. (No matter)
13. He was wise and experienced. He was taken in. (Thought)
14. He got good jobs. He was not satisfied. (No matter)
15. He got good jobs. He was not satisfied. (Even though)
16. You do any job. You should do it devotedly. (Whatever)
17. He lived anywhere. He always thought of his homeland. (No matter)
18. It was cold. He didn't wear warm clothes. (No matter).
19. He often tells lies. Many people believe him. (Although)
20. You return at any time. She waits for you. (No matter)